Shutting Down the Machine
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7.3 Measures Before Maintenance and Repair
Danger
Danger by electric voltage.
Maintenance work on electrical components may only be carried out by au-
thorized personnel (electricians). Make sure that the electrical equipment of
the machine is de-energized for the period of maintenance.
Wait at least 15 minutes before removing the protective hood of the machine.
The DC bus capacitors must first discharge themselves independently during
this period.
maintenance and repair are activities that require special attention and safety.
Therefore, the necessary precautions for yourself and others must be taken to
work safely:
1. Inform the operating personnel about the extent and period of mainte-
nance and repair work on the machine.
2. Appoint a specialist for the respective task, who will supervise and be re-
sponsible during the maintenance or servicing.
3. During maintenance or servicing work, shut down the machine appropri-
ately (see section 7 Shutting down the machine, page 52) and secure the
machine against restart by
Pressing the emergency stop button only after shutting down the ma-
chine for safety reasons and
Attach a warning label indicating the work to be performed on the con-
trol panel
Cordon off the respective danger zone (e.g. with red-white safety tape).
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